// SPDX-License-Identifier: GPL-2.0-only /* * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. * Author: Liviu Dudau * * ARM Mali DP plane manipulation routines. */ #include #include #include #include #include #include #include #include #include #include #include #include "malidp_hw.h" #include "malidp_drv.h" /* Layer specific register offsets */ #define MALIDP_LAYER_FORMAT 0x000 #define LAYER_FORMAT_MASK 0x3f #define MALIDP_LAYER_CONTROL 0x004 #define LAYER_ENABLE (1 << 0) #define LAYER_FLOWCFG_MASK 7 #define LAYER_FLOWCFG(x) (((x) & LAYER_FLOWCFG_MASK) << 1) #define LAYER_FLOWCFG_SCALE_SE 3 #define LAYER_ROT_OFFSET 8 #define LAYER_H_FLIP (1 << 10) #define LAYER_V_FLIP (1 << 11) #define LAYER_ROT_MASK (0xf << 8) #define LAYER_COMP_MASK (0x3 << 12) #define LAYER_COMP_PIXEL (0x3 << 12) #define LAYER_COMP_PLANE (0x2 << 12) #define LAYER_PMUL_ENABLE (0x1 << 14) #define LAYER_ALPHA_OFFSET (16) #define LAYER_ALPHA_MASK (0xff) #define LAYER_ALPHA(x) (((x) & LAYER_ALPHA_MASK) << LAYER_ALPHA_OFFSET) #define MALIDP_LAYER_COMPOSE 0x008 #define MALIDP_LAYER_SIZE 0x00c #define LAYER_H_VAL(x) (((x) & 0x1fff) << 0) #define LAYER_V_VAL(x) (((x) & 0x1fff) << 16) #define MALIDP_LAYER_COMP_SIZE 0x010 #define MALIDP_LAYER_OFFSET 0x014 #define MALIDP550_LS_ENABLE 0x01c #define MALIDP550_LS_R1_IN_SIZE 0x020 #define MODIFIERS_COUNT_MAX 15 /* * This 4-entry look-up-table is used to determine the full 8-bit alpha value * for formats with 1- or 2-bit alpha channels. * We set it to give 100%/0% opacity for 1-bit formats and 100%/66%/33%/0% * opacity for 2-bit formats. */ #define MALIDP_ALPHA_LUT 0xffaa5500 /* page sizes the MMU prefetcher can support */ #define MALIDP_MMU_PREFETCH_PARTIAL_PGSIZES (SZ_4K | SZ_64K) #define MALIDP_MMU_PREFETCH_FULL_PGSIZES (SZ_1M | SZ_2M) /* readahead for partial-frame prefetch */ #define MALIDP_MMU_PREFETCH_READAHEAD 8 static void malidp_de_plane_destroy(struct drm_plane *plane) { struct malidp_plane *mp = to_malidp_plane(plane); drm_plane_cleanup(plane); kfree(mp); } /* * Replicate what the default ->reset hook does: free the state pointer and * allocate a new empty object. We just need enough space to store * a malidp_plane_state instead of a drm_plane_state. */ static void malidp_plane_reset(struct drm_plane *plane) { struct malidp_plane_state *state = to_malidp_plane_state(plane->state); if (state) __drm_atomic_helper_plane_destroy_state(&state->base); kfree(state); plane->state = NULL; state = kzalloc(sizeof(*state), GFP_KERNEL); if (state) __drm_atomic_helper_plane_reset(plane, &state->base); } static struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane) { struct malidp_plane_state *state, *m_state; if (!plane->state) return NULL; state = kmalloc(sizeof(*state), GFP_KERNEL); if (!state) return NULL; m_state = to_malidp_plane_state(plane->state); __drm_atomic_helper_plane_duplicate_state(plane, &state->base); state->rotmem_size = m_state->rotmem_size; state->format = m_state->format; state->n_planes = m_state->n_planes; state->mmu_prefetch_mode = m_state->mmu_prefetch_mode; state->mmu_prefetch_pgsize = m_state->mmu_prefetch_pgsize; return &state->base; } static void malidp_destroy_plane_state(struct drm_plane *plane, struct drm_plane_state *state) { struct malidp_plane_state *m_state = to_malidp_plane_state(state); __drm_atomic_helper_plane_destroy_state(state); kfree(m_state); } static const char * const prefetch_mode_names[] = { [MALIDP_PREFETCH_MODE_NONE] = "MMU_PREFETCH_NONE", [MALIDP_PREFETCH_MODE_PARTIAL] = "MMU_PREFETCH_PARTIAL", [MALIDP_PREFETCH_MODE_FULL] = "MMU_PREFETCH_FULL", }; static void malidp_plane_atomic_print_state(struct drm_printer *p, const struct drm_plane_state *state) { struct malidp_plane_state *ms = to_malidp_plane_state(state); drm_printf(p, "\trotmem_size=%u\n", ms->rotmem_size); drm_printf(p, "\tformat_id=%u\n", ms->format); drm_printf(p, "\tn_planes=%u\n", ms->n_planes); drm_printf(p, "\tmmu_prefetch_mode=%s\n", prefetch_mode_names[ms->mmu_prefetch_mode]); drm_printf(p, "\tmmu_prefetch_pgsize=%d\n", ms->mmu_prefetch_pgsize); } bool malidp_format_mod_supported(struct drm_device *drm, u32 format, u64 modifier) { const struct drm_format_info *info; const u64 *modifiers; struct malidp_drm *malidp = drm->dev_private; const struct malidp_hw_regmap *map = &malidp->dev->hw->map; if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID)) return false; /* Some pixel formats are supported without any modifier */ if (modifier == DRM_FORMAT_MOD_LINEAR) { /* * However these pixel formats need to be supported with * modifiers only */ return !malidp_hw_format_is_afbc_only(format); } if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_ARM) { DRM_ERROR("Unknown modifier (not Arm)\n"); return false; } if (modifier & ~DRM_FORMAT_MOD_ARM_AFBC(AFBC_MOD_VALID_BITS)) { DRM_DEBUG_KMS("Unsupported modifiers\n"); return false; } modifiers = malidp_format_modifiers; /* SPLIT buffers must use SPARSE layout */ if (WARN_ON_ONCE((modifier & AFBC_SPLIT) && !(modifier & AFBC_SPARSE))) return false; /* CBR only applies to YUV formats, where YTR should be always 0 */ if (WARN_ON_ONCE((modifier & AFBC_CBR) && (modifier & AFBC_YTR))) return false; while (*modifiers != DRM_FORMAT_MOD_INVALID) { if (*modifiers == modifier) break; modifiers++; } /* return false, if the modifier was not found */ if (*modifiers == DRM_FORMAT_MOD_INVALID) { DRM_DEBUG_KMS("Unsupported modifier\n"); return false; } info = drm_format_info(format); if (info->num_planes != 1) { DRM_DEBUG_KMS("AFBC buffers expect one plane\n"); return false; } if (malidp_hw_format_is_linear_only(format) == true) { DRM_DEBUG_KMS("Given format (0x%x) is supported is linear mode only\n", format); return false; } /* * RGB formats need to provide YTR modifier and YUV formats should not * provide YTR modifier. */ if (!(info->is_yuv) != !!(modifier & AFBC_FORMAT_MOD_YTR)) { DRM_DEBUG_KMS("AFBC_FORMAT_MOD_YTR is %s for %s formats\n", info->is_yuv ? "disallowed" : "mandatory", info->is_yuv ? "YUV" : "RGB"); return false; } if (modifier & AFBC_SPLIT) { if (!info->is_yuv) { if (info->cpp[0] <= 2) { DRM_DEBUG_KMS("RGB formats <= 16bpp are not supported with SPLIT\n"); return false; } } if ((info->hsub != 1) || (info->vsub != 1)) { if (!(format == DRM_FORMAT_YUV420_10BIT && (map->features & MALIDP_DEVICE_AFBC_YUV_420_10_SUPPORT_SPLIT))) { DRM_DEBUG_KMS("Formats which are sub-sampled should never be split\n"); return false; } } } if (modifier & AFBC_CBR) { if ((info->hsub == 1) || (info->vsub == 1)) { DRM_DEBUG_KMS("Formats which are not sub-sampled should not have CBR set\n"); return false; } } return true; } static bool malidp_format_mod_supported_per_plane(struct drm_plane *plane, u32 format, u64 modifier) { return malidp_format_mod_supported(plane->dev, format, modifier); } static const struct drm_plane_funcs malidp_de_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = malidp_de_plane_destroy, .reset = malidp_plane_reset, .atomic_duplicate_state = malidp_duplicate_plane_state, .atomic_destroy_state = malidp_destroy_plane_state, .atomic_print_state = malidp_plane_atomic_print_state, .format_mod_supported = malidp_format_mod_supported_per_plane, }; static int malidp_se_check_scaling(struct malidp_plane *mp, struct drm_plane_state *state) { struct drm_crtc_state *crtc_state = drm_atomic_get_existing_crtc_state(state->state, state->crtc); struct malidp_crtc_state *mc; u32 src_w, src_h; int ret; if (!crtc_state) return -EINVAL; mc = to_malidp_crtc_state(crtc_state); ret = drm_atomic_helper_check_plane_state(state, crtc_state, 0, INT_MAX, true, true); if (ret) return ret; if (state->rotation & MALIDP_ROTATED_MASK) { src_w = state->src_h >> 16; src_h = state->src_w >> 16; } else { src_w = state->src_w >> 16; src_h = state->src_h >> 16; } if ((state->crtc_w == src_w) && (state->crtc_h == src_h)) { /* Scaling not necessary for this plane. */ mc->scaled_planes_mask &= ~(mp->layer->id); return 0; } if (mp->layer->id & (DE_SMART | DE_GRAPHICS2)) return -EINVAL; mc->scaled_planes_mask |= mp->layer->id; /* Defer scaling requirements calculation to the crtc check. */ return 0; } static u32 malidp_get_pgsize_bitmap(struct malidp_plane *mp) { u32 pgsize_bitmap = 0; if (iommu_present(&platform_bus_type)) { struct iommu_domain *mmu_dom = iommu_get_domain_for_dev(mp->base.dev->dev); if (mmu_dom) pgsize_bitmap = mmu_dom->pgsize_bitmap; } return pgsize_bitmap; } /* * Check if the framebuffer is entirely made up of pages at least pgsize in * size. Only a heuristic: assumes that each scatterlist entry has been aligned * to the largest page size smaller than its length and that the MMU maps to * the largest page size possible. */ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms, u32 pgsize) { int i; for (i = 0; i < ms->n_planes; i++) { struct drm_gem_object *obj; struct drm_gem_cma_object *cma_obj; struct sg_table *sgt; struct scatterlist *sgl; obj = drm_gem_fb_get_obj(ms->base.fb, i); cma_obj = to_drm_gem_cma_obj(obj); if (cma_obj->sgt) sgt = cma_obj->sgt; else sgt = obj->funcs->get_sg_table(obj); if (IS_ERR(sgt)) return false; sgl = sgt->sgl; while (sgl) { if (sgl->length < pgsize) { if (!cma_obj->sgt) kfree(sgt); return false; } sgl = sg_next(sgl); } if (!cma_obj->sgt) kfree(sgt); } return true; } /* * Check if it is possible to enable partial-frame MMU prefetch given the * current format, AFBC state and rotation. */ static bool malidp_partial_prefetch_supported(u32 format, u64 modifier, unsigned int rotation) { bool afbc, sparse; /* rotation and horizontal flip not supported for partial prefetch */ if (rotation & (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | DRM_MODE_REFLECT_X)) return false; afbc = modifier & DRM_FORMAT_MOD_ARM_AFBC(0); sparse = modifier & AFBC_FORMAT_MOD_SPARSE; switch (format) { case DRM_FORMAT_ARGB2101010: case DRM_FORMAT_RGBA1010102: case DRM_FORMAT_BGRA1010102: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_RGBA8888: case DRM_FORMAT_BGRA8888: case DRM_FORMAT_XRGB8888: case DRM_FORMAT_XBGR8888: case DRM_FORMAT_RGBX8888: case DRM_FORMAT_BGRX8888: case DRM_FORMAT_RGB888: case DRM_FORMAT_RGBA5551: case DRM_FORMAT_RGB565: /* always supported */ return true; case DRM_FORMAT_ABGR2101010: case DRM_FORMAT_ABGR8888: case DRM_FORMAT_ABGR1555: case DRM_FORMAT_BGR565: /* supported, but if AFBC then must be sparse mode */ return (!afbc) || (afbc && sparse); case DRM_FORMAT_BGR888: /* supported, but not for AFBC */ return !afbc; case DRM_FORMAT_YUYV: case DRM_FORMAT_UYVY: case DRM_FORMAT_NV12: case DRM_FORMAT_YUV420: /* not supported */ return false; default: return false; } } /* * Select the preferred MMU prefetch mode. Full-frame prefetch is preferred as * long as the framebuffer is all large pages. Otherwise partial-frame prefetch * is selected as long as it is supported for the current format. The selected * page size for prefetch is returned in pgsize_bitmap. */ static enum mmu_prefetch_mode malidp_mmu_prefetch_select_mode (struct malidp_plane_state *ms, u32 *pgsize_bitmap) { u32 pgsizes; /* get the full-frame prefetch page size(s) supported by the MMU */ pgsizes = *pgsize_bitmap & MALIDP_MMU_PREFETCH_FULL_PGSIZES; while (pgsizes) { u32 largest_pgsize = 1 << __fls(pgsizes); if (malidp_check_pages_threshold(ms, largest_pgsize)) { *pgsize_bitmap = largest_pgsize; return MALIDP_PREFETCH_MODE_FULL; } pgsizes -= largest_pgsize; } /* get the partial-frame prefetch page size(s) supported by the MMU */ pgsizes = *pgsize_bitmap & MALIDP_MMU_PREFETCH_PARTIAL_PGSIZES; if (malidp_partial_prefetch_supported(ms->base.fb->format->format, ms->base.fb->modifier, ms->base.rotation)) { /* partial prefetch using the smallest page size */ *pgsize_bitmap = 1 << __ffs(pgsizes); return MALIDP_PREFETCH_MODE_PARTIAL; } *pgsize_bitmap = 0; return MALIDP_PREFETCH_MODE_NONE; } static u32 malidp_calc_mmu_control_value(enum mmu_prefetch_mode mode, u8 readahead, u8 n_planes, u32 pgsize) { u32 mmu_ctrl = 0; if (mode != MALIDP_PREFETCH_MODE_NONE) { mmu_ctrl |= MALIDP_MMU_CTRL_EN; if (mode == MALIDP_PREFETCH_MODE_PARTIAL) { mmu_ctrl |= MALIDP_MMU_CTRL_MODE; mmu_ctrl |= MALIDP_MMU_CTRL_PP_NUM_REQ(readahead); } if (pgsize == SZ_64K || pgsize == SZ_2M) { int i; for (i = 0; i < n_planes; i++) mmu_ctrl |= MALIDP_MMU_CTRL_PX_PS(i); } } return mmu_ctrl; } static void malidp_de_prefetch_settings(struct malidp_plane *mp, struct malidp_plane_state *ms) { if (!mp->layer->mmu_ctrl_offset) return; /* get the page sizes supported by the MMU */ ms->mmu_prefetch_pgsize = malidp_get_pgsize_bitmap(mp); ms->mmu_prefetch_mode = malidp_mmu_prefetch_select_mode(ms, &ms->mmu_prefetch_pgsize); } static int malidp_de_plane_check(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state, plane); struct malidp_plane *mp = to_malidp_plane(plane); struct malidp_plane_state *ms = to_malidp_plane_state(new_plane_state); bool rotated = new_plane_state->rotation & MALIDP_ROTATED_MASK; struct drm_framebuffer *fb; u16 pixel_alpha = new_plane_state->pixel_blend_mode; int i, ret; unsigned int block_w, block_h; if (!new_plane_state->crtc || WARN_ON(!new_plane_state->fb)) return 0; fb = new_plane_state->fb; ms->format = malidp_hw_get_format_id(&mp->hwdev->hw->map, mp->layer->id, fb->format->format, !!fb->modifier); if (ms->format == MALIDP_INVALID_FORMAT_ID) return -EINVAL; ms->n_planes = fb->format->num_planes; for (i = 0; i < ms->n_planes; i++) { u8 alignment = malidp_hw_get_pitch_align(mp->hwdev, rotated); if (((fb->pitches[i] * drm_format_info_block_height(fb->format, i)) & (alignment - 1)) && !(fb->modifier)) { DRM_DEBUG_KMS("Invalid pitch %u for plane %d\n", fb->pitches[i], i); return -EINVAL; } } block_w = drm_format_info_block_width(fb->format, 0); block_h = drm_format_info_block_height(fb->format, 0); if (fb->width % block_w || fb->height % block_h) { DRM_DEBUG_KMS("Buffer width/height needs to be a multiple of tile sizes"); return -EINVAL; } if ((new_plane_state->src_x >> 16) % block_w || (new_plane_state->src_y >> 16) % block_h) { DRM_DEBUG_KMS("Plane src_x/src_y needs to be a multiple of tile sizes"); return -EINVAL; } if ((new_plane_state->crtc_w > mp->hwdev->max_line_size) || (new_plane_state->crtc_h > mp->hwdev->max_line_size) || (new_plane_state->crtc_w < mp->hwdev->min_line_size) || (new_plane_state->crtc_h < mp->hwdev->min_line_size)) return -EINVAL; /* * DP550/650 video layers can accept 3 plane formats only if * fb->pitches[1] == fb->pitches[2] since they don't have a * third plane stride register. */ if (ms->n_planes == 3 && !(mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) && (new_plane_state->fb->pitches[1] != new_plane_state->fb->pitches[2])) return -EINVAL; ret = malidp_se_check_scaling(mp, new_plane_state); if (ret) return ret; /* validate the rotation constraints for each layer */ if (new_plane_state->rotation != DRM_MODE_ROTATE_0) { if (mp->layer->rot == ROTATE_NONE) return -EINVAL; if ((mp->layer->rot == ROTATE_COMPRESSED) && !(fb->modifier)) return -EINVAL; /* * packed RGB888 / BGR888 can't be rotated or flipped * unless they are stored in a compressed way */ if ((fb->format->format == DRM_FORMAT_RGB888 || fb->format->format == DRM_FORMAT_BGR888) && !(fb->modifier)) return -EINVAL; } /* SMART layer does not support AFBC */ if (mp->layer->id == DE_SMART && fb->modifier) { DRM_ERROR("AFBC framebuffer not supported in SMART layer"); return -EINVAL; } ms->rotmem_size = 0; if (new_plane_state->rotation & MALIDP_ROTATED_MASK) { int val; val = mp->hwdev->hw->rotmem_required(mp->hwdev, new_plane_state->crtc_w, new_plane_state->crtc_h, fb->format->format, !!(fb->modifier)); if (val < 0) return val; ms->rotmem_size = val; } /* HW can't support plane + pixel blending */ if ((new_plane_state->alpha != DRM_BLEND_ALPHA_OPAQUE) && (pixel_alpha != DRM_MODE_BLEND_PIXEL_NONE) && fb->format->has_alpha) return -EINVAL; malidp_de_prefetch_settings(mp, ms); return 0; } static void malidp_de_set_plane_pitches(struct malidp_plane *mp, int num_planes, unsigned int pitches[3]) { int i; int num_strides = num_planes; if (!mp->layer->stride_offset) return; if (num_planes == 3) num_strides = (mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) ? 3 : 2; /* * The drm convention for pitch is that it needs to cover width * cpp, * but our hardware wants the pitch/stride to cover all rows included * in a tile. */ for (i = 0; i < num_strides; ++i) { unsigned int block_h = drm_format_info_block_height(mp->base.state->fb->format, i); malidp_hw_write(mp->hwdev, pitches[i] * block_h, mp->layer->base + mp->layer->stride_offset + i * 4); } } static const s16 malidp_yuv2rgb_coeffs[][DRM_COLOR_RANGE_MAX][MALIDP_COLORADJ_NUM_COEFFS] = { [DRM_COLOR_YCBCR_BT601][DRM_COLOR_YCBCR_LIMITED_RANGE] = { 1192, 0, 1634, 1192, -401, -832, 1192, 2066, 0, 64, 512, 512 }, [DRM_COLOR_YCBCR_BT601][DRM_COLOR_YCBCR_FULL_RANGE] = { 1024, 0, 1436, 1024, -352, -731, 1024, 1815, 0, 0, 512, 512 }, [DRM_COLOR_YCBCR_BT709][DRM_COLOR_YCBCR_LIMITED_RANGE] = { 1192, 0, 1836, 1192, -218, -546, 1192, 2163, 0, 64, 512, 512 }, [DRM_COLOR_YCBCR_BT709][DRM_COLOR_YCBCR_FULL_RANGE] = { 1024, 0, 1613, 1024, -192, -479, 1024, 1900, 0, 0, 512, 512 }, [DRM_COLOR_YCBCR_BT2020][DRM_COLOR_YCBCR_LIMITED_RANGE] = { 1024, 0, 1476, 1024, -165, -572, 1024, 1884, 0, 0, 512, 512 }, [DRM_COLOR_YCBCR_BT2020][DRM_COLOR_YCBCR_FULL_RANGE] = { 1024, 0, 1510, 1024, -168, -585, 1024, 1927, 0, 0, 512, 512 } }; static void malidp_de_set_color_encoding(struct malidp_plane *plane, enum drm_color_encoding enc, enum drm_color_range range) { unsigned int i; for (i = 0; i < MALIDP_COLORADJ_NUM_COEFFS; i++) { /* coefficients are signed, two's complement values */ malidp_hw_write(plane->hwdev, malidp_yuv2rgb_coeffs[enc][range][i], plane->layer->base + plane->layer->yuv2rgb_offset + i * 4); } } static void malidp_de_set_mmu_control(struct malidp_plane *mp, struct malidp_plane_state *ms) { u32 mmu_ctrl; /* check hardware supports MMU prefetch */ if (!mp->layer->mmu_ctrl_offset) return; mmu_ctrl = malidp_calc_mmu_control_value(ms->mmu_prefetch_mode, MALIDP_MMU_PREFETCH_READAHEAD, ms->n_planes, ms->mmu_prefetch_pgsize); malidp_hw_write(mp->hwdev, mmu_ctrl, mp->layer->base + mp->layer->mmu_ctrl_offset); } static void malidp_set_plane_base_addr(struct drm_framebuffer *fb, struct malidp_plane *mp, int plane_index) { dma_addr_t paddr; u16 ptr; struct drm_plane *plane = &mp->base; bool afbc = fb->modifier ? true : false; ptr = mp->layer->ptr + (plane_index << 4); /* * drm_fb_cma_get_gem_addr() alters the physical base address of the * framebuffer as per the plane's src_x, src_y co-ordinates (ie to * take care of source cropping). * For AFBC, this is not needed as the cropping is handled by _AD_CROP_H * and _AD_CROP_V registers. */ if (!afbc) { paddr = drm_fb_cma_get_gem_addr(fb, plane->state, plane_index); } else { struct drm_gem_cma_object *obj; obj = drm_fb_cma_get_gem_obj(fb, plane_index); if (WARN_ON(!obj)) return; paddr = obj->paddr; } malidp_hw_write(mp->hwdev, lower_32_bits(paddr), ptr); malidp_hw_write(mp->hwdev, upper_32_bits(paddr), ptr + 4); } static void malidp_de_set_plane_afbc(struct drm_plane *plane) { struct malidp_plane *mp; u32 src_w, src_h, val = 0, src_x, src_y; struct drm_framebuffer *fb = plane->state->fb; mp = to_malidp_plane(plane); /* no afbc_decoder_offset means AFBC is not supported on this plane */ if (!mp->layer->afbc_decoder_offset) return; if (!fb->modifier) { malidp_hw_write(mp->hwdev, 0, mp->layer->afbc_decoder_offset); return; } /* convert src values from Q16 fixed point to integer */ src_w = plane->state->src_w >> 16; src_h = plane->state->src_h >> 16; src_x = plane->state->src_x >> 16; src_y = plane->state->src_y >> 16; val = ((fb->width - (src_x + src_w)) << MALIDP_AD_CROP_RIGHT_OFFSET) | src_x; malidp_hw_write(mp->hwdev, val, mp->layer->afbc_decoder_offset + MALIDP_AD_CROP_H); val = ((fb->height - (src_y + src_h)) << MALIDP_AD_CROP_BOTTOM_OFFSET) | src_y; malidp_hw_write(mp->hwdev, val, mp->layer->afbc_decoder_offset + MALIDP_AD_CROP_V); val = MALIDP_AD_EN; if (fb->modifier & AFBC_FORMAT_MOD_SPLIT) val |= MALIDP_AD_BS; if (fb->modifier & AFBC_FORMAT_MOD_YTR) val |= MALIDP_AD_YTR; malidp_hw_write(mp->hwdev, val, mp->layer->afbc_decoder_offset); } static void malidp_de_plane_update(struct drm_plane *plane, struct drm_atomic_state *state) { struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); struct malidp_plane *mp; struct malidp_plane_state *ms = to_malidp_plane_state(plane->state); struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); u16 pixel_alpha = new_state->pixel_blend_mode; u8 plane_alpha = new_state->alpha >> 8; u32 src_w, src_h, dest_w, dest_h, val; int i; struct drm_framebuffer *fb = plane->state->fb; mp = to_malidp_plane(plane); /* * For AFBC framebuffer, use the framebuffer width and height for * configuring layer input size register. */ if (fb->modifier) { src_w = fb->width; src_h = fb->height; } else { /* convert src values from Q16 fixed point to integer */ src_w = new_state->src_w >> 16; src_h = new_state->src_h >> 16; } dest_w = new_state->crtc_w; dest_h = new_state->crtc_h; val = malidp_hw_read(mp->hwdev, mp->layer->base); val = (val & ~LAYER_FORMAT_MASK) | ms->format; malidp_hw_write(mp->hwdev, val, mp->layer->base); for (i = 0; i < ms->n_planes; i++) malidp_set_plane_base_addr(fb, mp, i); malidp_de_set_mmu_control(mp, ms); malidp_de_set_plane_pitches(mp, ms->n_planes, new_state->fb->pitches); if ((plane->state->color_encoding != old_state->color_encoding) || (plane->state->color_range != old_state->color_range)) malidp_de_set_color_encoding(mp, plane->state->color_encoding, plane->state->color_range); malidp_hw_write(mp->hwdev, LAYER_H_VAL(src_w) | LAYER_V_VAL(src_h), mp->layer->base + MALIDP_LAYER_SIZE); malidp_hw_write(mp->hwdev, LAYER_H_VAL(dest_w) | LAYER_V_VAL(dest_h), mp->layer->base + MALIDP_LAYER_COMP_SIZE); malidp_hw_write(mp->hwdev, LAYER_H_VAL(new_state->crtc_x) | LAYER_V_VAL(new_state->crtc_y), mp->layer->base + MALIDP_LAYER_OFFSET); if (mp->layer->id == DE_SMART) { /* * Enable the first rectangle in the SMART layer to be * able to use it as a drm plane. */ malidp_hw_write(mp->hwdev, 1, mp->layer->base + MALIDP550_LS_ENABLE); malidp_hw_write(mp->hwdev, LAYER_H_VAL(src_w) | LAYER_V_VAL(src_h), mp->layer->base + MALIDP550_LS_R1_IN_SIZE); } malidp_de_set_plane_afbc(plane); /* first clear the rotation bits */ val = malidp_hw_read(mp->hwdev, mp->layer->base + MALIDP_LAYER_CONTROL); val &= ~LAYER_ROT_MASK; /* setup the rotation and axis flip bits */ if (new_state->rotation & DRM_MODE_ROTATE_MASK) val |= ilog2(plane->state->rotation & DRM_MODE_ROTATE_MASK) << LAYER_ROT_OFFSET; if (new_state->rotation & DRM_MODE_REFLECT_X) val |= LAYER_H_FLIP; if (new_state->rotation & DRM_MODE_REFLECT_Y) val |= LAYER_V_FLIP; val &= ~(LAYER_COMP_MASK | LAYER_PMUL_ENABLE | LAYER_ALPHA(0xff)); if (new_state->alpha != DRM_BLEND_ALPHA_OPAQUE) { val |= LAYER_COMP_PLANE; } else if (new_state->fb->format->has_alpha) { /* We only care about blend mode if the format has alpha */ switch (pixel_alpha) { case DRM_MODE_BLEND_PREMULTI: val |= LAYER_COMP_PIXEL | LAYER_PMUL_ENABLE; break; case DRM_MODE_BLEND_COVERAGE: val |= LAYER_COMP_PIXEL; break; } } val |= LAYER_ALPHA(plane_alpha); val &= ~LAYER_FLOWCFG(LAYER_FLOWCFG_MASK); if (new_state->crtc) { struct malidp_crtc_state *m = to_malidp_crtc_state(new_state->crtc->state); if (m->scaler_config.scale_enable && m->scaler_config.plane_src_id == mp->layer->id) val |= LAYER_FLOWCFG(LAYER_FLOWCFG_SCALE_SE); } /* set the 'enable layer' bit */ val |= LAYER_ENABLE; malidp_hw_write(mp->hwdev, val, mp->layer->base + MALIDP_LAYER_CONTROL); } static void malidp_de_plane_disable(struct drm_plane *plane, struct drm_atomic_state *state) { struct malidp_plane *mp = to_malidp_plane(plane); malidp_hw_clearbits(mp->hwdev, LAYER_ENABLE | LAYER_FLOWCFG(LAYER_FLOWCFG_MASK), mp->layer->base + MALIDP_LAYER_CONTROL); } static const struct drm_plane_helper_funcs malidp_de_plane_helper_funcs = { .atomic_check = malidp_de_plane_check, .atomic_update = malidp_de_plane_update, .atomic_disable = malidp_de_plane_disable, }; static const uint64_t linear_only_modifiers[] = { DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID }; int malidp_de_planes_init(struct drm_device *drm) { struct malidp_drm *malidp = drm->dev_private; const struct malidp_hw_regmap *map = &malidp->dev->hw->map; struct malidp_plane *plane = NULL; enum drm_plane_type plane_type; unsigned long crtcs = BIT(drm->mode_config.num_crtc); unsigned long flags = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y; unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) | BIT(DRM_MODE_BLEND_PREMULTI) | BIT(DRM_MODE_BLEND_COVERAGE); u32 *formats; int ret, i = 0, j = 0, n; u64 supported_modifiers[MODIFIERS_COUNT_MAX]; const u64 *modifiers; modifiers = malidp_format_modifiers; if (!(map->features & MALIDP_DEVICE_AFBC_SUPPORT_SPLIT)) { /* * Since our hardware does not support SPLIT, so build the list * of supported modifiers excluding SPLIT ones. */ while (*modifiers != DRM_FORMAT_MOD_INVALID) { if (!(*modifiers & AFBC_SPLIT)) supported_modifiers[j++] = *modifiers; modifiers++; } supported_modifiers[j++] = DRM_FORMAT_MOD_INVALID; modifiers = supported_modifiers; } formats = kcalloc(map->n_pixel_formats, sizeof(*formats), GFP_KERNEL); if (!formats) { ret = -ENOMEM; goto cleanup; } for (i = 0; i < map->n_layers; i++) { u8 id = map->layers[i].id; plane = kzalloc(sizeof(*plane), GFP_KERNEL); if (!plane) { ret = -ENOMEM; goto cleanup; } /* build the list of DRM supported formats based on the map */ for (n = 0, j = 0; j < map->n_pixel_formats; j++) { if ((map->pixel_formats[j].layer & id) == id) formats[n++] = map->pixel_formats[j].format; } plane_type = (i == 0) ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY; /* * All the layers except smart layer supports AFBC modifiers. */ ret = drm_universal_plane_init(drm, &plane->base, crtcs, &malidp_de_plane_funcs, formats, n, (id == DE_SMART) ? linear_only_modifiers : modifiers, plane_type, NULL); if (ret < 0) goto cleanup; drm_plane_helper_add(&plane->base, &malidp_de_plane_helper_funcs); plane->hwdev = malidp->dev; plane->layer = &map->layers[i]; drm_plane_create_alpha_property(&plane->base); drm_plane_create_blend_mode_property(&plane->base, blend_caps); if (id == DE_SMART) { /* Skip the features which the SMART layer doesn't have. */ continue; } drm_plane_create_rotation_property(&plane->base, DRM_MODE_ROTATE_0, flags); malidp_hw_write(malidp->dev, MALIDP_ALPHA_LUT, plane->layer->base + MALIDP_LAYER_COMPOSE); /* Attach the YUV->RGB property only to video layers */ if (id & (DE_VIDEO1 | DE_VIDEO2)) { /* default encoding for YUV->RGB is BT601 NARROW */ enum drm_color_encoding enc = DRM_COLOR_YCBCR_BT601; enum drm_color_range range = DRM_COLOR_YCBCR_LIMITED_RANGE; ret = drm_plane_create_color_properties(&plane->base, BIT(DRM_COLOR_YCBCR_BT601) | \ BIT(DRM_COLOR_YCBCR_BT709) | \ BIT(DRM_COLOR_YCBCR_BT2020), BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | \ BIT(DRM_COLOR_YCBCR_FULL_RANGE), enc, range); if (!ret) /* program the HW registers */ malidp_de_set_color_encoding(plane, enc, range); else DRM_WARN("Failed to create video layer %d color properties\n", id); } } kfree(formats); return 0; cleanup: kfree(formats); return ret; }